prec((IF(fieldname3 > 0, fieldname3 * 3, 0) + IF((fieldname1 == 2.1) && (fieldname2 == "1"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 56, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 53,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 53,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 51.50,IF(fieldname4>=20,fieldname4 * 50,0))))),0) + IF((fieldname1 == 2.1) && (fieldname2 == "2"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 59, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 56,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 56,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 54.50,IF(fieldname4>=20,fieldname4 * 53,0))))),0) + IF((fieldname1 == 2.1) && (fieldname2 == "3"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 55, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 52,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 52,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 50.50,IF(fieldname4>=20,fieldname4 * 49,0))))),0) + IF((fieldname1 == 1.8) && (fieldname2 == "1"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 52, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 49,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 49,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 47,IF(fieldname4>=20,fieldname4 * 46,0))))),0) + IF((fieldname1 == 1.8) && (fieldname2 == "2"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 55, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 52,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 52,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 50,IF(fieldname4>=20,fieldname4 * 49,0))))),0) + IF((fieldname1 == 1.8) && (fieldname2 == "3"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 47,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 47,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 45,IF(fieldname4>=20,fieldname4 * 44,0))))),0) + IF((fieldname1 == 1.5) && (fieldname2 == "1"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 50.50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 47.50,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 47.50,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 45.50,IF(fieldname4>=20,fieldname4 * 44.50,0))))),0) + IF((fieldname1 == 1.5) && (fieldname2 == "2"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 53.50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 50.50,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 50.50,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 48.50,IF(fieldname4>=20,fieldname4 * 47.50,0))))),0) + IF((fieldname1 == 1.5) && (fieldname2 == "3"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 48.50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 45.50,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 45.50,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 43.50,IF(fieldname4>=20,fieldname4 * 42.50,0))))),0) + IF((fieldname1 == 1.2) && (fieldname2 == "1"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 49, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 46,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 46,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 44,IF(fieldname4>=20,fieldname4 * 43,0))))),0) + IF((fieldname1 == 1.2) && (fieldname2 == "2"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 52, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 49,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 49,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 47,IF(fieldname4>=20,fieldname4 * 46,0))))),0) + IF((fieldname1 == 1.2) && (fieldname2 == "3"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 47, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 44,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 44,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 42,IF(fieldname4>=20,fieldname4 * 41,0))))),0) + IF((fieldname1 == "900mm") && (fieldname2 == "1"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 47.50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 44.50,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 44.50,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 42.50,IF(fieldname4>=20,fieldname4 * 41.50,0))))),0) + IF((fieldname1 == "900mm") && (fieldname2 == "2"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 50.50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 47.50,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 47.50,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 45.50,IF(fieldname4>=20,fieldname4 * 44.50,0))))),0) + IF((fieldname1 == "900mm") && (fieldname2 == "3"),IF((fieldname4>0) && (fieldname4<7),fieldname4 * 45.50, IF((fieldname4>=7) && (fieldname4<10),fieldname4 * 42.50,IF((fieldname4>=10) && (fieldname4<15),fieldname4 * 42.50,IF((fieldname4>=15) && (fieldname4<20),fieldname4 * 41,IF(fieldname4>=20,fieldname4 * 40,0))))),0)),2)

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